Physics and modeling of large flow disturbances: discrete gust encounters for modern air vehicles

AR Jones, O Cetiner, MJ Smith - Annual Review of Fluid …, 2022 - annualreviews.org
Gusts of moderate and large magnitude induce flow separation and other complexities when
they interact with the lifting surfaces of air vehicles. The presence of these nonlinear gusts …

[HTML][HTML] Gusts encountered by flying vehicles in proximity to buildings

A Mohamed, M Marino, S Watkins, J Jaworski, A Jones - Drones, 2023 - mdpi.com
There is a growing desire to operate Uncrewed Air Vehicles (UAVs) in urban environments
for parcel delivery, and passenger-carrying air taxis for Advanced Air Mobility (AAM). The …

A database for reduced-complexity modeling of fluid flows

A Towne, STM Dawson, GA Brès, A Lozano-Durán… - AIAA journal, 2023 - arc.aiaa.org
We present a publicly accessible database specifically designed to aid in the conception,
training, demonstration, evaluation, and comparison of reduced-complexity models for fluid …

[HTML][HTML] Gust mitigation with an oscillating airfoil at low Reynolds number

N Poudel, M Yu, JT Hrynuk - Physics of Fluids, 2021 - pubs.aip.org
The encounter between micro-aerial vehicles (MAVs) and gusts is often detrimental and
mitigating the effects of the gust is important for operating MAVs under severe environmental …

Effect of wingtip bending morphing on gust-induced aerodynamics based on fluid-structure interaction method

Y Zheng, Y Dai, C Yang, Y Li, Y Hu - Physics of Fluids, 2023 - pubs.aip.org
This paper investigates the effect of wingtip bending morphing on gust-induced
aerodynamics based on the fluid–structure interaction (FSI) method at Re= 40 000. First, an …

Experimental comparison of a sinusoidal and trapezoidal transverse gust

G Sedky, H Biler, AR Jones - AIAA Journal, 2022 - arc.aiaa.org
UNSTEADY flow conditions experienced in wing–gust encoun-ters have been the focus of
many experimental and computational studies [1–6]. Wing–gust encounters have been …

Navigating vortex gust interactions and mitigations by plunging wings

K Panta, H Deng, B Cheng, A Panah - Physics of Fluids, 2024 - pubs.aip.org
Inspired by the stability achieved by biological flapping-winged fliers in gusty environments,
we conducted particle image velocimetry studies on the interactions between plunging …

Transverse gust generation in a wind tunnel: a suction-driven approach

X He, DR Williams, STM Dawson - Experiments in Fluids, 2022 - Springer
Abstract The Andrew Fejer Unsteady Wind Tunnel was modified to add a suction duct on top
of the test section to generate a vertical velocity component (cross flow). The suction …

Data-driven transient lift attenuation for extreme vortex gust-airfoil interactions

K Fukami, H Nakao, K Taira - arXiv preprint arXiv:2403.00263, 2024 - arxiv.org
We present a data-driven feedforward control to attenuate large transient lift experienced by
an airfoil disturbed by an extreme level of discrete vortex gust. The current analysis uses a …

Periodic Vortical Gust Encounter and Mitigation Using Closed Loop Control

A Killian, S Gunasekaran, MP Mongin… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2477. vid A wing's response to
periodic vortical gusts of different frequencies and magnitudes was investigated and …